"""simple docstring"""



from math import ceil



def 	_lowerCamelCase(	a = 1_0_0_1				):
       __a       =    1

       for i in range(1   ,    int(ceil(n / 2.0				)				)				):
              __a       =    2 * i + 1
              __a       =    2 * i
              __a       =    total + 4 * odd**2 - 6 * even

       return total


if __name__ == "__main__":
   import sys

   if len(sys.argv) == 1:
      print(solution())
   else:
      try:
         SCREAMING_SNAKE_CASE__:List[str]									=			int(sys.argv[1])
         print(solution(n))
      except ValueError:
         print("""Invalid entry - please enter a number""")

"""simple docstring"""



import os



def 	_lowerCamelCase(	a = "matrix.txt"				):
       with open(os.path.join(os.path.dirname(a				)   ,    a				)				) as in_file:
              __a       =    in_file.read()

       __a       =    [[int(a				) for cell in row.split(","				)] for row in data.strip().splitlines()]
       __a       =    [[0 for cell in row] for row in grid]
       __a       =    len(grid[0]				)

       __a       =    [[0 for i in range(a				)] for j in range(a				)]
       __a       =    grid[0][0]
       for i in range(1   ,    a				):
              __a       =    grid[0][i] + dp[0][i - 1]
       for i in range(1   ,    a				):
              __a       =    grid[i][0] + dp[i - 1][0]

       for i in range(1   ,    a				):
              for j in range(1   ,    a				):
                     __a       =    grid[i][j] + min(dp[i - 1][j]   ,    dp[i][j - 1]				)

       return dp[-1][-1]


if __name__ == "__main__":
   print(F'''{solution() = }''')
